Page author: David Giblin
Viola howellii
Howell's violet

Distribution: West of the Cascade crest in Washington; southern British Columbia south to northern California.

Habitat: Moist woods and prairies at low to moderate elevations.

Flowers: April-May

Origin: Native

Conservation Status: Not of concern


Sparsely pubescent perennial from scaly rhizomes, 2-10 cm. tall.


Leaf blades cordate to reniform-cordate, with coarse, rounded teeth, the petioles of the many basal leaves 10-15 cm. long; stipules 3-10 mm. long, prominently toothed.


Flowers 1.5-2 cm. long, the spur very prominent, saccate; sepals obtuse, auriculate at the base; petals bluish-violet to nearly white, strongly veined with purple, the lateral pair long-bearded; style sparsely bearded.


Fruit a 3-valved capsule, ovary superior, placentation parietal, seeds light brown.

Accepted Name:
Viola howellii A. Gray
Publication: Proceedings of the American Academy of Arts and Sciences 22(2): 308. 1887.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Viola howellii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Viola howellii checklist entry.

E-Flora BC: Viola howellii atlas page.

CalPhotos: Viola howellii photos.

USDA Plants: Viola howellii information.

11 photographs:
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